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Finding the Fourth Proportional to 606,858.80, 905,673.72 and 539,600.08

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Solution

The fourth proportional to 606,858.80, 905,673.72 and 539,600.08 is: 805,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,858.80 : 905,673.72 = 539,600.08 : x
  2. Step 2: Convert to fraction form
    606,858.80/905,673.72 = 539,600.08/x
  3. Step 3: Cross multiply
    606,858.80x = 905,673.72 × 539,600.08
  4. Step 4: Simplify right side
    606,858.80x = 488,701,611,765.90
  5. Step 5: Solve for x
    x = 488,701,611,765.90/606,858.80
  6. Step 6: Final answer
    x = 805,297.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.